Glossary

91 terms beginning with M · showing 41–80

1. meta-

   Prefix indicating change, alteration, or alternation.

   Used in 42 profiles

2. metabolism

   Sum total of the chemical processes occurring in living organisms which are necessary to maintain life.

   Used in 1 profile

3. metamorphosis

   A physical change or succession of such changes in form during the life cycle of an organism.

   Used in 3 profiles

4. methylene blue

   Methylthioninium chloride, a chemical compound forming a blue solution when dissolved in water. Has a range of applications but used in aquaria as an antifungal, antibacterial, and anitparasitic agent.

   Used in 73 profiles

5. metronidazole

   Antibiotic used in aquaria as a wide spectrum treatment for bacterial and protozoan infections.

6. micro crab

   Vernacular name for the tiny freshwater crab Limnopilos naiyanetri Chuang and Ng 1991, a member of the family Hymenosomatidae, or false spider crabs. It's native to Nakhon Pathom province, southern central Thailand and its body achieves a maximum diameter of around 1 cm. Completely aquatic and apparently spends its entire life cycle in fresh water.

7. microlitre

   A measurement of liquid, equivalent to a cube 1mm on each side. One thousandth of a cubic centimetre/centimeter.

8. microorganism

   Organism that can be seen only with the aid of a microscope. Typically unicellular, e.g., baceria, protozoa, some algae.

   Used in 94 profiles

9. micropredator

   Feeding on very small organisms or particles.

   Used in 237 profiles

10. micropyle

    Tiny opening in an egg through which spermatozoa can enter.

11. microsatellite

    Section of DNA comprising very short nucleotide sequences repeated many times. Highly polymorphic and used as a marker to determine genetic diversity, identify important genetic traits, analyse relationships, etc..

12. microworm

    Panagrellus redivivus; a free-living, soil-dwelling nematode worm often cultivated by aquarists for feeding to fish fry.

    Used in 540 profiles

13. midlateral

    Orientated laterally along the middle of something, e.g., a midlateral stripe.

    Used in 111 profiles

14. migrate

    To periodically change location, especially seasonally, for reproductive or feeding purposes.

    Used in 61 profiles

15. migration

    A journey between different regions or countries at specific times of year.

    Used in 56 profiles

16. millilitre (ml)

    A measurement of liquid, equivalent to a cube 1cm on each side. Also known as a cubic centimetre/centimeter.

17. milt

    The seminal, sperm-containing fluid of a male fish; male reproductive glands when they contain sperm.

    Used in 145 profiles

18. mimesis

    Imitation; mimicry.

19. mimetic

    Of, relating to, or practicing mimesis.

    Used in 2 profiles

20. mimic

    To resemble closely; imitate; simulate; take on the appearance of; an organism displaying mimicry.

    Used in 21 profiles

21. mimicry

    Resemblance of one organism to another, usually for protective purposes.

    Used in 1 profile

22. ml

    Abbreviation for millilitre.

23. modal

    Of or relating to a statistical mode or modes.

    Used in 4 profiles

24. mode

    The value or item occurring most frequently in a series of observations or statistical data. Often quoted in relation to a meristic character or characters.

    Used in 34 profiles

25. molariform

    Shaped like a molar, i.e., low, broad and squarish.

    Used in 13 profiles

26. mollusc

    Any member of the invertebrate phylum Mollusca.

    Used in 27 profiles

27. Mollusca

    Large, highly diverse invertebrate phylum. Members are difficult to define but generally possess a soft, unsegmented body, and often a shell or shell-like structure secreted by a mantle. Includes all bivalves, cephalopods, and gastropods.

28. moniliform

    Jointed or constricted at regular intervals so as to resemble a string of beads.

    Used in 1 profile

29. mono-

    Prefix meaning singular or unique.

    Used in 9 profiles

30. monoecious

    Having both the male and female reproductive organs in the same specimen; hermaphrodite. Opposite of dioecious.

31. monogamous

    Practicing monogamy.

    Used in 21 profiles

32. monogamy

    The practice or state of having only one reproductive partner over a given period of time, e.g., a single breeding season, year, or entire reproductive life.

33. monophyletic

    Used in reference to a taxonomic group containing all descendants of a single, often hypothetical, common ancestor, often characterised by one or more synapomorphies. A clade is a monophyletic group.

    Used in 330 profiles

34. monospecific

    Used in reference to a genus containing only a single species.

35. monotypic

    Used in reference to a taxonomic group containing only a single member, e.g., a monotypic genus or family.

    Used in 123 profiles

36. morichal

    Type of lowland stream found in South American savannas with riparian forest dominated by the moriche palm (Mauritia flexuosa). Often subject to seasonal flooding.

    Used in 8 profiles

37. morphology

    Branch of biology concerned with the form and structure of organisms; the form and structure of an organism.

    Used in 330 profiles

38. morphometric character

    Physical character based on measurement, e.g. standard length.

    Used in 5 profiles

39. morphometrics

    Form of taxonomical analysis utilising the morphometry of organisms.

    Used in 2 profiles

40. morphometry

    Measurement of the structure, form, and parts of organisms.